Josh Radnor Ted Mosby Actor Jason Segel Marshall Erikson Actor Cobie Smulders Robin Sherbatsky Actor Neil Patrick Harris Barney Stinson Actor Alyson Hannigan Lily Aldrin Actor Cristin Milioti Tracy McConnell Actor Bob Saget Narrator Ben Vereen Sam Gibbs Guest Star Wayne Brady James Stinson Guest Star Ray Wise Robin Scherbatsky Sr. Guest Star Ellen D. Williams Patrice Guest Star Tracey Ullman Genevieve Scherbatsky Guest Star Frances Conroy Loretta Stinson Guest Star Marshall Manesh Ranjit Guest Star John Lithgow Jerry Whitaker Guest Star Nancy Lenehan Cheryl Guest Star William Zabka Billy Zabka Guest Star Carter Bays Executive Producer, Writer Craig Thomas Executive Producer, Writer Pamela Fryman Executive Producer, Director Stephen Lloyd Executive Producer Chris Harris Executive Producer Chuck Tatham Executive Producer Jamie Rhonheimer Executive Producer Kourtney Kang Executive Producer